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Priority to RO129186ApriorityCriticalpatent/RO97957B1/ro
Publication of RO97957B1publicationCriticalpatent/RO97957B1/ro
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Prezenta inventie se refera la derivati butilureidosulfonil-fenoxiacetici si la procedeul de preparare a lor. Procedeul de obtinere a acestor produse se realizeaza prin condensarea esterilor metilici ai acizilor sulfonamidofenoxi-acetici cu izocianatde butil în raport molar 1:1, în prezenta K2CO3, în mediu de acetat de etil sau acetona, la temperaturi de 70 degree C si, respectiv, 56 degree C, timp de 3 h.
RO129186A1987-07-251987-07-25Derivati butilureidosulfonil-fexaxiacetici si procedeu de obtinere a acestora
RO97957B1
(ro)
Process for the preparation of a herbicid and or fungicid compound containing pyrazolin-5-ona replaced by products and of novel pyrazolin-5-ona replaced derivatives
Спосіб одержання n-(1-метоксипроп-2-іл)-2,4-диметил-3амінотіофену, 2,4-диметил-2,3-дигідротіофен-3-он як проміжний продукт та його похідні як вихідні продукти
Condensation product of epsilon-caprolactam, formaldehyde and formamide, aminoplast modified by this condensation product and process for the preparation of the aminoplast